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Compared to earlier telegraph codes, the proposed Bell code and ASCII were both ordered for more convenient sorting (i.e., alphabetization) of lists and added features for devices other than teleprinters. [9] The use of ASCII format for Network Interchange was described in 1969. [10] That document was formally elevated to an Internet Standard ...
Because a character’s Unicode code point is usually given in hexadecimal with a prefixed "U+", the hexadecimal code is arguably more convenient. Of course, when a name exists, a named reference (e.g., — for an em dash) is usually more convenient (and more easily recognized) than either numerical code.
The form feed character is sometimes used in plain text files of source code as a delimiter for a page break, or as marker for sections of code. Some editors, in particular emacs and vi, have built-in commands to page up/down on the form feed character. This convention is predominantly used in Lisp code, and is also seen in C and Python source ...
Formatted text documents in binary files have, however, the disadvantages of formatting scope and secrecy. Whereas the extent of formatting is accurately marked in markup languages, WYSIWYG formatting is based on memory, that is, keeping for example your pressing of the boldface button until cancelled. This can lead to formatting mistakes and ...
AsciiDoc is a human-readable document format, semantically equivalent to DocBook XML, but using plain-text mark-up conventions. AsciiDoc documents can be created using any text editor and read “as-is”, or rendered to HTML or any other format supported by a DocBook tool-chain, i.e. PDF, TeX, Unix manpages, e-books, slide presentations, etc. [3] Common file extensions for AsciiDoc files are ...
Code 0 (ASCII code name NUL) is a special case. In paper tape, it is the case when there are no holes. It is convenient to treat this as a fill character with no meaning otherwise. Since the position of a NUL character has no holes punched, it can be replaced with any other character at a later time, so it was typically used to reserve space ...
Unicode only specifies semantics for U+0009—U+000D, U+001C—U+001F, and U+0085 (the ASCII format effectors except for BS, plus the ASCII information separators and the C1 NEL). The rest of the "Cc" control codes are transparent to Unicode and their meanings are left to higher-level protocols, although interpretation as defined in ISO/IEC ...
presentation form for vertical semicolon u+fe14: po, other common ︕ presentation form for vertical exclamation mark u+fe15: po, other common ︖ presentation form for vertical question mark u+fe16: po, other common ︙ presentation form for vertical horizontal ellipsis u+fe19: po, other common ︰ presentation form for vertical two dot leader ...